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Finding the Fourth Proportional to 99,297.24, 137,029.14 and 73,917.10

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Solution

The fourth proportional to 99,297.24, 137,029.14 and 73,917.10 is: 102,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,297.24 : 137,029.14 = 73,917.10 : x
  2. Step 2: Convert to fraction form
    99,297.24/137,029.14 = 73,917.10/x
  3. Step 3: Cross multiply
    99,297.24x = 137,029.14 × 73,917.10
  4. Step 4: Simplify right side
    99,297.24x = 10,128,796,644.29
  5. Step 5: Solve for x
    x = 10,128,796,644.29/99,297.24
  6. Step 6: Final answer
    x = 102,004.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.